A4 B8
1 generation · Select a generation to see engines
Which Audi A4 B8 engine is the most reliable? See common problems, reviews and reliability verdicts across generations and engines.
Frequently asked questions
Which Audi A4 B8 engine is the most reliable?
3.0 TDI V6 (CCWA/CAPA) — Reliable verdict. The 3.0 TDI V6 — smooth, strong and generally robust, the premium diesel choice in the B8. Watch the usual diesel ancillaries (DPF, EGR, intake carbon) and high running costs, but the core engine is durable when serviced.
Which Audi A4 B8 engines should you avoid?
None of the Audi A4 B8 engines listed are rated "Problematic" or "Avoid" — but always check the service history before buying.
What are the most common Audi A4 B8 problems?
The most commonly reported problems across all Audi A4 B8 generations and engines: Oil pump hex (early 2008–2009 builds), Excessive oil consumption (2009–2012), Timing chain tensioner, Timing chain tensioner failure, Timing chain tensioner wear — chains are at the REAR of the engine.